Tetrapeptide amides and intermediates thereof
CA 1094052 A · Owner: Searle (G. D.) & Co. · Inventors: Mazur, Robert H.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
This invention encompasses novel tetrapeptide amides and their intermediates containing an L-aspartic acid residue of the formula:, A-W-X-Asp-Y-NHR, and particularly those compounds of the formula: A-Trp-Met-Asp-Y-NHR, These peptides are inhibitors of gastric acid secretion and therefore useful in the treatment of ulcers.
Read the whole patent
Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted January 20, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 20, 1998.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.